ASML may have been a better investment for Berkshire?

ASML manufactures equipment to make semiconductors. Taiwan Semiconductors is a customer.

The following shows the relative strength of TSM versus ASML.

TSM is stronger when the vertical line is GREEN. ASML is stronger when the vertical line is RED.

It may make an excellent pairs trade. The correlation is very high.

Prices are pre-opening on November 17, 2022.